Update to `bcgovimages/von-image:1.6-ew-13*` images

[WadeBarnes]

• Adds support for credential dependency look-up.
• Includes updated versions of von_anchor and von-x

Environments to update:

• [x] l4izby-dev
• [x] l4izby-test
• [x] l4izby-prod (the prod environment is empty)

[WadeBarnes]

Had to comment out the tob verifier and proof request from services.yml to get it to deploy.